class Pair<K, V> {
    private final K first;
    private final V second;

    public Pair(K first, V second) {
        this.first = first;
        this.second = second;
    }

    public K getFirst() {
        return first;
    }

    public V getSecond() {
        return second;
    }
}

public class Scheduler {
    public Scheduler() {}

    public void init(int n, int c, int m) {}

    public Pair<Integer, Integer> create(int id, int vcpu, int mem) {
        return new Pair<>(0, 0); // 注意：当前这种方式仅测试程序可运行，其得分为0，因为会导致不合法的创建
    }

    public void remove(int id) {}
}
